As campuses and communities across the country grapple with problems related to unruly house parties, neighborhood disruptions, and alcohol-fueled "celebratory" incidents, they are developing partnerships with law enforcement agencies to implement strategies to reduce such problems and protect the health and safety of students and residents alike. In fact, tier 2 prevention strategies in "A Call to Action: Changing the Culture of Drinking at U.S. Colleges" from the National Institute on Alcohol Abuse and Alcoholism in 2002 identify enforcement of minimum drinking age laws and enforcement of other laws to reduce alcohol-impaired driving. Another tier 2 strategy relies on enforcement measures: "Comprehensive community interventions have also shown that increased enforcement and publicity of laws to reduce alcohol-impaired driving have produced significant reductions in the types of motor vehicle crashes most likely to involve alcohol and alcohol-related traffic deaths." (Lists 4 online resources.)